Overview
Vaillant is Germany's leading heating manufacturer, trusted by UK homeowners for decades through their boiler range. The aroTHERM plus represents their commitment to sustainability, using natural R290 (propane) refrigerant with the lowest possible environmental impact.
The aroTHERM plus is the most environmentally-friendly heat pump on the market, with R290 having a Global Warming Potential (GWP) of just 3 compared to 675 for R32. For eco-conscious homeowners, Vaillant is the clear choice.
🌱 Most Eco-Friendly
Vaillant aroTHERM plus uses R290 natural propane refrigerant - the lowest environmental impact of any heat pump brand.
Pros
- ✓ R290 natural refrigerant (lowest GWP)
- ✓ German engineering quality
- ✓ Up to 75°C flow temperature
- ✓ sensoAPP smart control system
- ✓ Integrates with Vaillant boiler network
- ✓ Weather compensation included
Cons
- ✗ Premium pricing
- ✗ R290 requires additional safety clearances
- ✗ Fewer installers certified for R290
aroTHERM Model Range
aroTHERM plus
VWL 35/6, 55/6, 75/6, 105/6, 125/6
The flagship model with natural R290 refrigerant. High temperature capability (75°C) makes it perfect for existing radiator systems without upgrades.
aroTHERM Split
VWS series with uniTOWER
Split system with the uniTOWER indoor unit combining controls, hydraulics and hot water cylinder in one sleek cabinet. Great space-saving solution.
Frequently Asked Questions
How much does a Vaillant aroTHERM cost?
Vaillant aroTHERM heat pumps cost £9,000-£14,000 for the unit. Total installed cost is typically £12,000-£18,000. With the £7,500 BUS grant, you could pay £4,500-£10,500.
What is R290 refrigerant?
R290 is natural propane, with a Global Warming Potential of just 3 (compared to 675 for R32). It's the most environmentally-friendly refrigerant available for heat pumps, though it requires specific safety clearances due to flammability.
Is Vaillant a good heat pump brand?
Yes, Vaillant is a premium German brand with over 150 years of heating experience. The aroTHERM plus is highly efficient, reaches high temperatures (75°C), and uses the most eco-friendly refrigerant available. It's the top choice for environmentally-conscious buyers.